Overview
A step up in audio and speed, the TCL 65QM851G is a 64.5-inch 4K VA TV with a 3.3 ms response and a 48–144 Hz range. It lists 450 nits at 68 ppi with a 10-bit signal, variable refresh and support for HDR10, HDR10+, Dolby Vision and Dolby Vision IQ. A mixed speaker system of 2 × 20 W and 2 × 10 W is built in, and the TV weighs 27.5 kg, so mounting is a two-person job. It suits gaming and film in a mid-size lounge.
64.5-inch VA panel, 4K UHD at 68 ppi (QM8) 48–144 Hz refresh, 3.3 ms response 450 nits, 10-bit panel HDR10, HDR10+, Dolby Vision and Dolby Vision IQ 2 × 20 W + 2 × 10 W speakers, 27.5 kg
Pros & Cons
Pros
3.3 ms response is quicker than the QM7 range
60 W multi-speaker system fills the room
High refresh range for modern games
Dolby Vision IQ tunes the picture to the room
Variable refresh for smooth gameplay
Cons
27.5 kg usually needs two people to mount
450 nits is lower than the QM7 models
Model dates from 2024
Basic built-in speakers, so a soundbar helps for movies
Television Identity & Market
12
Specification
Value
Brand
TCL
Series
QM8
Model
65QM851G
Full Product Name
TCL 65QM851G
Model Year
2024
TV Category
Flagship Tier
Market Position
Flagship Mini-LED
Primary Use
Premium Home Theatre & Reference-Quality Viewing
Region / Variant
Not specified
Launch Status
2024 model year
Available Colors
Black
Warranty
1 year standard / 6 months commercial (N. America)
Screen Geometry & Format
9
Specification
Value
Screen Size
64.5 in
Marketed Screen Size
64.5 in
Exact Diagonal
1639 mm / 163.9 cm / 64.5276 in / 5.3773 ft
Aspect Ratio
1.778:1 / 16:9
Active Display Width
1428.48 mm / 142.848 cm / 56.2394 in / 4.6866 ft
Active Display Height
803.52 mm / 80.352 cm / 31.6346 in / 2.6362 ft
Display Area
95.95 %
Screen-to-Body Ratio
95.95 %
3D Support
No
64.5" Display Size (163.8 cm) 16:9
Resolution at a Glance
3840×2160
This screen
8K — 7,680×4,320
4K — 3,840×2,160
FHD — 1,920×1,080
HD — 1,280×720
8.3 MP — 4× the pixels of Full HD
Panel Architecture & Light Control
6
Specification
Value
Panel Type
VA
Quantum Dot
Yes
Backlight Type
Mini LED
Backlight Position
Yes
Panel Bit Depth
10 bits
Display Colors
1073741824 colors / 30 bits
Resolution, Scaling & Signal
4
Specification
Value
Native Resolution
3840 x 2160 pixels / Ultra HD (UHD) / 4K / 2160p
Pixel Density
68 ppi / 26 ppcm
Pixel Pitch
0.372 mm / 0.0372 cm / 0.0146 in / 0.0012 ft
Native 4K Support
Yes
◑
Luminance, Blacks & Contrast
7
Specification
Value
Typical Brightness
450 cd/m²
Peak Brightness
4000 cd/m²
Static Contrast
5500 : 1
Static Contrast Ratio
5500 : 1
Viewing Angles
178 ° / 178 °
Horizontal Viewing Angle
178 °
Vertical Viewing Angle
178 °
Color Reproduction & Calibration
2
Specification
Value
Wide Color Gamut
Yes
Quantum Dot Color
Yes
RECOMMENDED VIEWING DISTANCE
65"
Viewing Distance = 1.5–2.5 × Screen Size
HDR Formats & Tone Mapping
8
Specification
Value
HDR Support
Dolby Vision IQ Dolby Vision HDR10+ HDR10 HLG
HDR Formats
Dolby Vision IQ Dolby Vision HDR10+ HDR10 HLG
HDR10
Yes
HDR10+
Yes
Dolby Vision
Yes
Dolby Vision IQ
Yes
HLG
Yes
IMAX Enhanced
Yes
Motion Processing & Response
12
Specification
Value
Native Refresh Rate
120 Hz
Maximum Refresh Rate
144 Hz
Refresh Rate Range
48 Hz - 144 Hz
Vertical Frequency
48 Hz - 144 Hz
Frame Interpolation
Motion Rate
Interpolation Technology
Motion Rate
Interpolation Value
480
Interpolation Unit
MR
Motion Processing
MEMC / Motion Rate
Motion Estimation
Yes
Minimum Response Time
3.3 ms / 0.0033 s
Input Lag
5 ms / 0.0050 s
Console, VRR & Game Tools
6
Specification
Value
Variable Refresh Rate
Yes
Auto Low Latency Mode
Yes
High Frame Rate
4K@120Hz
AMD FreeSync
AMD FreeSync Premium
Game Bar
Yes
Game Accelerator
Game Accelerator 240
Picture Intelligence & AI
8
Specification
Value
Picture Processor
AIPQ Ultra with AI
AI Processor
AIPQ Ultra with AI
AI Upscaling
Yes
AI Picture
Yes
AI Contrast
Yes
AI Color
Yes
AI Clarity
Yes
AI HDR Enhancement
Yes
Broadcast Tuners & Reception
6
Specification
Value
Built-In TV Tuner
Tuner Configuration
Analog (NTSC / PAL / SECAM), ATSC, Clear QAM
Analog Tuner
Yes
North American Digital Tuner
ATSC
Clear QAM
Yes
Cable/Antenna Input
Yes
Compute, Memory & Storage
2
Specification
Value
Processor Brand Name
AIPQ Ultra with AI
Picture Processor
AIPQ Ultra with AI
Smart Platform & System
2
Specification
Value
Smart TV
Yes
Operating System
Google TV
Streaming & Entertainment
4
Specification
Value
Netflix
Yes
Prime Video
Yes
Disney+
Yes
Apple TV+
Yes
Voice Assistants & Search
4
Specification
Value
Voice Control
Yes
Far-Field Voice Control
Yes
Amazon Alexa
Yes
Google Assistant
Yes
HDMI Signal Interface
9
Specification
Value
Total HDMI Ports
HDMI 2.1 Ports
HDMI 2.0 Ports
HDMI CEC
Yes
Enhanced Audio Return Channel
Yes
eARC Port
Yes
Auto Low Latency Mode
Yes
High Frame Rate
4K@120Hz
Variable Refresh Rate
Yes
USB, Audio & Legacy I/O
5
Specification
Value
Total USB Ports
Ethernet Port
Yes
Optical Audio Output
Optical
Antenna Input
Yes
Composite Input
Yes
Wireless, LAN & Casting
9
Specification
Value
LAN
Yes
Wi-Fi
Yes
Wi-Fi Standards
802.11a / 802.11ac / 802.11ax / 802.11b / 802.11g / 802.11n
Bluetooth
Yes
Apple AirPlay
Yes
Apple HomeKit
Yes
Chromecast
Yes
Google Cast
Yes
Miracast
Yes
Speaker Layout & Output
4
Specification
Value
Built-In Speakers
2 x 20 W / 2 x 10 W
Main Speakers
2 x 20 W / 2 x 10 W
Built-In Subwoofer
1 x 20 W / 2.1.2 CH / 80 W
Audio Brand
Onkyo
Sound Formats & Enhancement
4
Specification
Value
Dolby Atmos
Yes
Dolby Digital
Yes
DTS Virtual:X
Yes
Bluetooth Audio
Yes
Camera & Video Calling
1
Specification
Value
Built-In Camera
No
Connected Home & IoT
1
Specification
Value
Apple HomeKit
Yes
Panel-Only Size & Mass
5
Specification
Value
Dimensions Without Stand
1440.2 mm x 830.6 mm x 43.2 mm (W x H x D)
Width Without Stand
1440.2 mm
Height Without Stand
830.6 mm
Depth Without Stand
43.2 mm
Weight Without Stand
23.2 kg / 51.15 lbs
Assembled TV Size & Mass
5
Specification
Value
Dimensions With Stand
1440.2 mm x 871.2 mm x 320 mm (W x H x D)
Width With Stand
1440.2 mm
Height With Stand
871.2 mm
Depth With Stand
320 mm
Weight With Stand
27.5 kg / 60.63 lbs
Shipping Carton Measurements
2
Specification
Value
Box Dimensions
1645.9 mm x 1000.7 mm x 175.2 mm (W x H x D)
Box Weight
35.3 kg / 77.82 lbs
Exterior Styling & Stand Footprint
3
Specification
Value
Chassis Color
Black
Bezel Design
Frameless / Bezelless
Design Name
FullView 360 Metal Bezelless Design
Wall Mounting & Installation
10
Specification
Value
VESA Mount
400 x 400 mm
VESA Interface
400 x 400 mm
VESA Size
400 x 400 mm
Removable Stand
Yes
Stand Type
Pedestal stand
Stand Name
Pedestal stand
Height Adjustment
No
Swivel Adjustment
No
Tilt Adjustment
No
Portrait Mode
No
Electrical Load & Efficiency
6
Specification
Value
Power Input
100 V - 120 V / 220 V - 240 V
110V Input Range
100 V - 120 V
220V Input Range
220 V - 240 V
AC Frequency
50 Hz - 60 Hz
Standby Consumption
0.5 W
Annual Energy Consumption
418 kWh
Environmental Operating Limits
4
Specification
Value
Operating Temperature
5 °C - 35 °C / 41 °F - 95 °F
Operating Humidity
20 % - 80 %
Storage Temperature
-15 °C - 45 °C / 5 °F - 113 °F
Storage Humidity
10 % - 90 %
Picture Feature Inventory
3
Specification
Value
Quantum Dot Color
Yes
Wide Color Gamut
Yes
IMAX Enhanced
Yes
Gaming Validation & Compatibility
4
Specification
Value
AMD FreeSync Certification
AMD FreeSync Premium
Game Bar
Yes
ALLM
ALLM
VRR
Yes
Regulatory & Industry Approvals
2
Specification
Value
RoHS
Yes
IMAX Enhanced
Yes
Privacy, Security & Parental Control
1
Specification
Value
Parental Controls
Yes
In-the-Box Components
10
Specification
Value
Remote Control
Backlit voice remote control
Remote Type
Backlit voice remote control
Remote Voice Control
Yes
Screen Size
64.5 in
Dimensions
1440.2 mm x 871.2 mm x 320 mm (W x H x D)
Weight
27.5 kg / 60.63 lbs
Brightness
4000 cd/m²
Response Time
3.3 ms / 0.0033 s
Input Lag
5 ms / 0.0050 s
Refresh Rate
120 Hz
⚡
Estimated Running Cost
Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.
Country & rate
India — ₹8/kWh
USA — $0.15/kWh
UK — £0.30/kWh
EU — €0.25/kWh
Australia — A$0.28/kWh
Canada — C$0.13/kWh
Japan — ¥31/kWh
Custom rate…
Custom rate
$ per kWh
Hours used per day
hrs
Daily ₹4.80
Monthly ₹144
Annually ₹1,752
Draws more power than 82% of the 447 comparable displays we track.